What is the purpose of "timber sets" in underground mining?
A. Explosive handling
B. Roof support
C. Dust suppression
D. Lighting
Answer: Option B
Solution (By Examveda Team)
Timber sets are wooden frames supporting mine roofs and walls.The correct answer is: Roof supportUsed in soft or weak ground conditions.Being replaced by steel and concrete supports in modern mining.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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